codice:
KazeNoTani ghepeu # nmap -P0 80.116.33.71

Starting nmap 3.70 ( http://www.insecure.org/nmap/ ) at 2004-09-04 17:24 CEST
Interesting ports on host71-33.pool80116.interbusiness.it (80.116.33.71):
(The 1656 ports scanned but not shown below are in state: closed)
PORT   STATE    SERVICE
21/tcp filtered ftp
22/tcp open     ssh
23/tcp filtered telnet
80/tcp filtered http

Nmap run completed -- 1 IP address (1 host up) scanned in 26.319 seconds